2,3-Dichlorophenylhydrazine hydrochloride, 21938-47-6

Chemical Encyclopedia

February 28, 2026

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Chinese name: 2,3-dichlorophenylhydrazine hydrochloride
English name: 2,3-dichlorophenylhydrazine hydrochloride
Chinese alias: 2,3-dichlorophenylhydrazine hydrochloride; Sulfamethylpyrene; 2,3-dichlorophenylhydrazine HC
English alias: 2,3-dichlorophenylhydrazine hydrochloride; (hydrochloride, 3-dichloryl) hydrazine-; (, 3-dichloryl), 3-Dichlorophenyl hydrazine hydrochloride; 2, HCL; CAS number:
21938-47-6
chemical formula:
C6H7Cl3N2 molecular weight:
213.492 density: 1.475g/cm3 Melting point:
204°C(dec.) Boiling point:
272.3 ℃ at760mmHg Flash Point:
118.5 ℃ Vapor pressure:
0.00613mmHgat25°C Hazard category code:
R20/21/22;R36/37/38 Dangerous Goods Marking:
Xn Safety instructions:
S26-S36/37/39-S45